}
_gsu_print_available_commands()
-{(
- local i count=0
- gsu_short_msg "Available commands:"
- for i in $gsu_cmds; do
- printf "$i"
- count=$(($count + 1))
- if test $(($count % 4)) -eq 0; then
- echo
+{
+ local cmd
+ local -i count=0
+
+ printf 'Available commands:\n'
+ for cmd in $gsu_cmds; do
+ printf '%s' "$cmd"
+ let count++
+ if (($count % 4)); then
+ printf '\t'
+ ((${#cmd} < 8)) && printf '\t'
else
- printf "\t"
- if test ${#i} -lt 8; then
- printf "\t"
- fi
+ printf '\n'
fi
done
- echo
-) 2>&1
+ printf '\n'
}
+# Print all options of the given optstring to stdout if the word in the current
+# command line begins with a hyphen character.
gsu_complete_options()
{
local opts="$1" cword="$2" cur opt
# Aborts on programming errors such as missing or invalid option string. On
# success $result contains shell code that can be eval'ed. For each defined
# option x, the local variable o_x will be created when calling eval "$result".
-# o_x contains true/false for options without argument and either the emtpy
+# o_x contains true/false for options without argument and either the empty
# string or the given argument for options that take an argument.
#
# Example:
# 0 0 no argument allowed
# 1 1 exactly one argument required
# 0 2 at most two arguments admissible
-# 2 at least two arguments reqired
-#
+# 2 at least two arguments required
gsu_check_arg_count()
{
ret=-$E_GSU_BAD_ARG_COUNT